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使用通用媒体访问控制（MAC）规范和管理信息库（MIB），为从1 Mb / s到400 Gb / s的选定操作速度指定了以太网局域网操作。 带冲突检测的载波侦听多路访问（CSMA / CD）MAC协议指定了共享介质（半双工）操作以及全双工操作。 速度特定的媒体独立接口（MII）允许使用选定的物理层设备（PHY）通过同轴电缆，双绞线或光缆或电背板进行操作。 多段共享访问网络的系统注意事项描述了中继器的使用，这些中继器的定义是运行速度高达1000 Mb / s。 所有速度均支持局域网（LAN）操作。 其他指定的功能包括：接入网的各种PHY类型，适用于城域网应用的PHY，以及通过选定的双绞线PHY类型提供电源。
Ethernet local area network operation is specified for selected speeds of operation from 1 Mb/s to 400 Gb/s using a common media access control (MAC) specification and management information base (MIB). The Carrier Sense Multiple Access with Collision Detection (CSMA/CD) MAC protocol specifies shared medium (half duplex) operation, as well as full duplex operation. Speed specific Media Independent Interfaces (MIIs) allow use of selected Physical Layer devices (PHY) for operation over coaxial, twisted pair or fiber optic cables, or electrical backplanes. System considerations for multisegment shared access networks describe the use of Repeaters that are defined for operational speeds up to 1000 Mb/s. Local Area Network (LAN) operation is supported at all speeds. Other specified capabilities include: various PHY types for access networks, PHYs suitable for metropolitan area network applications, and the provision of power over selected twisted pair PHY types. (2020-09-11, LINUX, 40253KB, 下载20次)
mysql数据库配置双主双从读写分离实现高可用，如果有一台宕机，不影响其他业务
MySQL configures double master and double slave (2018-12-29, LINUX, 290KB, 下载2次)
基于DSP的双cmos数据采集显示样例，显示同时可对没帧进行数据操作
Dual CMOS data acquisition and display (2018-02-27, LINUX, 14KB, 下载2次)
双网卡工控机配置内外网配置，同时连接公网及内网
Dual network card IPC configuring internal and external network (2017-12-09, LINUX, 116KB, 下载9次)
基于网闸系统的双机热备系统程序，主从网闸系统之间的切换
Dual hot standby system program system based on master-slave switching between ViGap system (2017-11-14, LINUX, 1712KB, 下载4次)
奖学金大家都觉得就到家打击打击多么师大暨大回答哈撒年纪滴答水
Remember to remember to answer the phone, everyone is good to fight, hit, hit, etc, ha hit, hit, hit the level of the ventilator blow hit (2017-10-02, LINUX, 1KB, 下载1次)
实现链表的基本功能，包括单链表、双链表的基本操作，增加、删除、排序、插入等。
Basic function realization of linked list (2017-09-28, LINUX, 8KB, 下载1次)
WinSCP是一个支持SSH的SCP文件传输软件。只要文件主机支持SSH协定，你就可以安心的下载、上传文件。WinSCP中文版的操作界面是参考NC（Norton Commander）的双视窗排列方式，使用起来不会有太大的困难。在WinSCP中，一般的文件操作都没有问题，如：复制、移动、更名文件或文件夹等。
WinSCP is a SCP file transfer software that supports SSH. As long as the file host supports the SSH protocol, you can safely download and upload files. WinSCP Chinese version of the operation interface is a reference NC (Norton Commander) double window arrangement, the use will not have too much difficulty. In WinSCP, general file operations are fine, such as copying, moving, renaming files, or folders. (2017-07-25, LINUX, 8593KB, 下载6次)